Question

Mg-Mgo-Mg(OH)2
| /
MgCl2 MgSo4

Answer 1

Mg→ MgO →Mg(OH)₂

I      /

MgCI₂, MgSO₄  

2Mg+O₂= 2MgO

MgO+H₂O=Mg(OH)₂↓

Mg+2HCI=MgCI₂+H₂↑

Mg+H₂SO₄=MgSO₄+H₂↑

MgO+2HCI=MgCI₂+H₂O

MgO+H₂SO₄=MgSO₄+H₂O