Ответ:
1)K2O+H2O=2KOH
2)CuO+H2O=Cu(OH)2
3)CaO+H2O=Ca(OH)2
4)2Na+2H2O=2NaOH+H2
5)Ca+2H2O=Ca(OH)2+H2
6)Ni+H2O=H2+NiO
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Ответ:
1)K2O+H2O=2KOH
2)CuO+H2O=Cu(OH)2
3)CaO+H2O=Ca(OH)2
4)2Na+2H2O=2NaOH+H2
5)Ca+2H2O=Ca(OH)2+H2
6)Ni+H2O=H2+NiO