Which of the following pairs of reactants will react together to produce water (h2o) as one of the products? nano3 and h2o mg3(po4)2 and al2o3 fe(oh)3 and h2so4 li2o and ba(oh)2

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates