I think you'll get a better response if you ask us questions indicating the things you'd like to ask her to do and we can share our experience.
You are likely to get responses from nannies and employers, so perhaps a well rounded colletion of views.
Here is a sample of duties I would consider reasonable:
? Care of the children whilst parents work, usually sole charge, including but not limited to:
o Change nappies, bathe them, feed them, put them to bed (ie. for nap time), take them to their scheduled activities (Ballet, etc.)
o Entertain them as appropriate for their ages (with minimal TV viewing).
o Educate them as appropriate for their ages
ï‚§ Teach them to eat properly, including both acceptable table manners as well as the importance of a healthful diet. Establish and maintain regular schedule of meal times.
ï‚§ Establish and maintain regular schedule of naps, as appropriate to their ages.
ï‚§ Other education as appropriate to their ages and abilities.
o Ensure their safety at all times.
o Inform employer on a regular basis of children?s educational progress (or lack thereof), eating habits (including food likes and dislikes), and daily activities. This includes, but is not limited to, maintaining a daily Nanny Diary.
o Demonstrate an awareness that children learn by example.
o Notify employer as soon as possible if children are unwell. If any medicine is needed, seek employer?s approval prior to administering the medicine and note accordingly in nanny diary.
? Housework associated with children (keep their room(s) tidy, change bedclothes and changing table cover, empty nappy bin as needed, keep children?s bathroom tidy, etc.)
? Pick up children?s belongings (toys, clothes, dishes, etc.) from around the house and garden and put them away at the end of each day (or encourage the children to do this themselves).
? Laundry, ironing, hanging/folding, and putting away of clothes in their proper place for children?s clothes.
? Keep kitchen clean and tidy.
? A thorough tidying and organising of the children?s toys on a monthly basis.