Which is a balanced single replacement reaction?

Question

Answer options with 5 options
A.
3 Upper M g plus 2 Upper H Subscript 2 Upper O yields 3 Upper M g Upper O plus 2 Upper H Subscript 2

B.
2 Upper M g plus 3 Upper H Subscript 2 Upper O yields 2 Upper M g Upper O plus 3 Upper H Subscript 2

C.
2 Upper M g plus Upper H Subscript 2 Upper O yields 2 Upper M g Upper O plus Upper H Subscript 2

D.
Upper M g plus 2 Upper H Subscript 2 Upper O yields 2 Upper M g Upper O plus Upper H Subscript 2

E.
Upper M g plus Upper H Subscript 2 Upper O yields Upper M g Upper O plus Upper H Subscript 2

Answer 1

B.
2 Upper M g plus 3 Upper H Subscript 2 Upper O yields 2 Upper M g Upper O plus 3 Upper H Subscript 2