This is from Act III, Scene 5.
First, let me point out that this is not a question. Lady Capulet is telling Juliet that she and Paris are going to get married. Her way of putting it is that
The County Paris, at Saint Peter's Church,
Shall happily make thee there a joyful bride.
So she is not asking anything -- she's telling.
So then look at what Juliet says. Basically, she says "no way." She does not just tell her mom that she won't marry Paris, she swears that she won't do it. She says
So what does this suggest? It suggests that the relationship between Juliet and her mom (that was so nice back in Act I, Scene 3) is no longer good. Lady Capulet is telling Juliet what she is going to do and Juliet is fighting back. She is flat out refusing to do what she is told.