If you are at graduate school your chances are better.  Hope this helps:

Requirements for obtaining F-2 Visa:

In order to apply for an F-2 visa, the dependents must have the following:

• A valid passport.
• Proof that F-2 applicants and/or their spouse have sufficient financial resources to meet all of their expenses while in the USA. For example, bank statements, affidavits of support, etc.
• A valid Form I-20 or DS-2019. This form should be submitted to the International Office with all required certification. The issue date on these forms needs to be after the date of marriage in order for the spouse to apply for a visa.
• A marriage or birth certificate showing the relationship to the F-1 student.