Question:

When I go to propose a young woman for marriage, how should i speak to her in order to know her Aqeedah, fear of Allaah, manners and etiquettes?

Answer:

It is permissible for the proposer to have a look at the one he is proposing but not in seclusion, because the Sunnah has confirmed that from the Messenger of Allaah (sallal-laahu-alayhi-wasallam). And he can ask her and her guardians what he holds important in relation to a beneficial marriage.
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[Source:Fataawaa Al-Mar’atil Muslimah compiled by Daarus Sahaabah and Daar sabeelil Mumineen with the recommendation of Shaikh Muhammad Al-Imaam, page:542 or see Fataawaa Islaamiyyah of Shaikh Bin Baaz; 3/128]