Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said: "When one of you asks his brother about a verse, he should not say: such-and-such a verse; he ought not to do that. Rather, he should recite the verse before it, and then the one answering should fulfil his need."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 8662