Question

magnesium +oxygen forms

Answer 1

It forms Magnesium Oxide

Mg+O2=MgO

By balancing,

2Mg+O2=2MgO

Answer 2

ANSWER....

When magnesium reacts with oxygen it forms, magnesium oxide.

Magnesium + Oxygen -----> Magnesium Oxide

Mg + O2 ----> MgO

After balancing above equation, we get,

2Mg + O2 ---> 2MgO

Hope it helps

Thanks...