H2o+ba= h2o+fe= h2o+fe2o3= h2o+h2so4= h2o+naoh= h2o+cao= h2o+zno= h2o+no= h2o+so2=

2 H2O + Ba = Ba(OH)2 + H2

4 H2O + 3 Fe = Fe3O4 + 4 H2

3 H2O + Fe2O3 = 2 Fe(OH)3

H2O + H2SO4 = H4SO5

2 H2O + 2 NaOH = 3 H2 + 2 NaO2

H2O + CaO = Ca(OH)2

H2O + ZnO = Zn(OH)2

6 H2O + 4 NO = 4 NH3 + 5 O2

H2O + SO2 = H2SO3