HCl+Ca=HCl+H2SO4=HCl+BaO=HCl+CaO=HCl+KOH=

Question

HCl+Ca=
HCl+H2SO4=
HCl+BaO=
HCl+CaO=
HCl+KOH=

Answer 1

2HCl+Ca= CaCl2 + H2
HCl+H2SO4=\\\ не идет
2HCl+BaO=BaCl2 + H2O
2HCl+CaO=CaCl2 + H2O
HCl+KOH=KCl + h2O