Show the formation of MgO by transfer of electrons.

Explanation

MgO :
`{:(Mg,rarr,Mg^(2+)+2e^(-),),("(2,8,2)",,"(2,8)",),(O+2e^(-),rarr,O^(2),),("(2,6)",,"(2,8)",):}`

MgO has `Mg^(2+)` and `O^(2-)` ions.