SO2+H2O=H2SO3
CO2+H2O=H2CO3
N2O5+H2O=2HNO3
SiO2+H2O=H2SiO3
SO3+H2O=H2SO4
Na+H2O=Na(OH)+H2
K+H2O=K(OH)+H2
Ba+H2O=Ba(OH)2+H2
Zn+H2O=ZnO+H2
Na2O+H2O=2Na(OH)
Li2O+H2O=Li(OH)
BaO+H2O=Ba(OH)2
ZnO+H2O=Zn(OH)2
