Ответ:

1. Li2O + H2O = 2 LiOH

2.Na2O + H2O = 2 NaOH

3.K2O + H2O = 2 KOH

4.CaO + H2O = Ca(OH)2

5.BaO + H2O = Ba(OH)2

6.Cs2O + H2O = 2 CsOH

7.SrO + H2O = Sr(OH)2

8.FeO + H2O = Fe(OH)2

9.CuO + H2O = Cu(OH)2

10.BeO + H2O = Be(OH)2

Объяснение: