Question

CaO+H20 уровнять
So3+H2O
CuO+H2O
Fe+H2O

Answer 1

CaO+H2O=Ca(OH)2
SO3+H2O=H2SO4
CuO+H2O=Cu(OH)2
Fe+H2O=FeO+H2

Answer 2

Во вложении...........