Question

HCl+ Mg =
HCl+ MgO=
HCl + Mg (OH)2=
HCl+AgNO3=

Answer 1

2HCl+Mg=MgCl2+H2
MgO+2HCl=MgCl2+H2O
Ca(OH)2+2HCl=CaCl2+2H2O
HCl+AgNO3=HNO3+AgCl