Question

1what hapens when calcium oxide reacts with water ?
2. barium chloride solution is added to sodium sulphate solution ?

Answer 1

Cao+2h2o- ca(oh)2+h2
It is an exothermic reaction
Naso4+bacl2- nacl2+baso4

Answer 2

Answer:

1) When calcium oxide reacts with water then calcium hydroxide is produced.

CaO + H2O = Ca(OH)2