Na2O + H2O -> 2NaOH
K2O + H2O -> 2KOH
Li2O + H2O -> 2LiOH
BaO + H2O -> Ba(OH)2
CaO + H2O -> Ca(OH)2
Na2O+H2O---> 2NaOH
K2O+H2O----> 2KOH
Li2O+ H2O----> 2LiOH
BaO + H2O----> Ba(OH)2
CaO+H2O----> Ca(OH)2
TL :
Na2O + H2O -> 2NaOH
K2O + H2O -> 2KOH
Li2O + H2O -> 2LiOH
BaO + H2O -> Ba(OH)2
CaO + H2O -> Ca(OH)2