Ca+H2O=... +... ...+...=Mg(OH)2 SnBr2+KOH=...+KBr NiJ+NaOH=...+... ...+...=Bi(OH)3+NaCl  

Ca+H2O = CaO + H2 MgO + H20 =Mg(OH)2 SnBr2+KOH=SnOH+KBr2 NiJ+NaOH=NiOH + NaJ BiCl2 + Na(OH)2=Bi(OH)3+NaCl

CaO+H2 MgO +H2O SnOH NAOH+ BiCl3   to jest dobrze na 90% jeszcze bilans zrob