Jd用途Calculate the standard cell potential for the reaction below, and note whether the reaction isspontaneous under standard state conditions (6 pointMg(s) + Ni²+(aq) → Mg2+(aq) + Ni(s)Ni2 (aq) + 2e-Ni(s) -0.257VMg2+(aq) + 2e-Mg(s) -2.372VProvide answers in the following order:a) Substance being oxidized (1) Blank 1b) Substance being reduced (1) Blank 2c) Calculated cell potential (3) Blank 3d) is the reaction spontaneous or non-spontaneous?