Ba(OH)2+SO3--->BaSO4+H2O
Ba+2OH+SO3--->BaSO4+H2O
Li2O+H2O--->2LiOH
ZnCl2+2NaOH--->Zn(OH)2+2NaCl
Zn+2Cl+2Na+2OH--->Zn(OH)2+2Na+2Cl
Zn+2OH--->Zn(OH)2
Ba(OH)2+SO3--->BaSO4+H2O
Ba+2OH+SO3--->BaSO4+H2O
Li2O+H2O--->2LiOH
ZnCl2+2NaOH--->Zn(OH)2+2NaCl
Zn+2Cl+2Na+2OH--->Zn(OH)2+2Na+2Cl
Zn+2OH--->Zn(OH)2