Full Idea
The deductive-nomological view has an explanation/prediction symmetry thesis - that a correct explanation could be a scientific prediction, and that any deductive prediction could serve as a deductive-nomological explanation.
Clarification
'Nomological' means concerning laws
Gist of Idea
Deductive-nomological explanations will predict, and their predictions will explain
Source
Wesley Salmon (Four Decades of Scientific Explanation [1989], 1.1)
Book Reference
Salmon,Wesley C.: 'Four Decades of Scientific Explanation', ed/tr. Humphreys,Paul [Pittsburgh 2006], p.24
A Reaction
Of course, not all predictions will explain, or vice versa. Weird regularities become predictable but remain baffling. Good explanations may be of unrepeatable events. It is the 'law' in the account that ties the two ends together.