Question

complete the following equation a SO2 + H2O,
MG + O2

Answer 1

MG+ O2= 2MGO
SORRY BUT I DON'T KNOW THE OTHER ONE

Answer 2

$\large\bf\color{Red}{Hey\: Friend}$

1) SO2 + H2O ----------> H2SO3 ( SULFURUS )

2) 2Mg + O2 -------> 2MgO