Is it Candice's mom or Candices' mom
Assuming you are talking about only one Candice, the first one.
the fist one
The first one, Candice's mom
It's Candice's mom. If there were two Candices, which i dont know if there is, but then it would be Candices' mom, Get It?
Depends, is the name Candices, is the name Candice, or is there more then one Candice? For the first one the second one is correct, for the second one the first one is right, and for the third one the second one is right.