why does water and oil not mix?

Question: why does water and oil not mix?
- Keywords:
  chemistry,
  oil,
  water
Asked by dudets to Lydia on 14 Nov 2014.
- Lydia Bach answered on 14 Nov 2014:
  
  Hey dudets,
  
  that’s because the tiny molecules that make up water are charged electrically, while oil is not charged. So water molecules attract each other, but exclude oil, which is why the two don’t mix.

Question: why does water and oil not mix?