How to determine the products of single replacement

A. Replacement of a metal by a more reactive metal

B. Replacement of Hydrogen in water by a group 1 metal which produces a metal hydroxide and h2

C. Replacement of hydrogen in water by a group 2 metal produces a metal oxide and h2

D. Replacement of Hydrogen in an acid by a metal more reactive than H

E. Replacement of a nonmetal (usually a halogen) in a compound by a more reactive nonmetallic

The goal is to bond with the more energized elements