Here is an example of putting two minipages next to each other: One for the question and one for the answer:

If you want the two minipages aligned at the top use \begin{minipage}[t]{0.45\linewidth} instead.
\documentclass{article}
\begin{document}
\noindent
\begin{minipage}{0.45\linewidth}% Question goes here
\textbf{Question:}
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus massa enim, suscipit vel lacinia elementum, tempus sed ipsum. Fusce turpis tortor, aliquet nec volutpat suscipit, dictum eu justo. Quisque viverra lacus at mi bibendum suscipit vulputate enim blandit. Proin in tempor ligula.
\end{minipage}
\hfill% Separate the Question and Answer
\begin{minipage}{0.45\linewidth}% Answer goes here
\textbf{Answer:}
Nam a nunc libero, eu varius neque. Curabitur elit velit, dictum sed dignissim in, blandit nec tortor. Sed at dolor pharetra urna eleifend luctus vitae et lorem. Aenean rhoncus molestie odio, sit amet molestie sapien varius et.
\end{minipage}
\bigskip\noindent
\textbf{More details here:}
Nulla semper nisl vitae tellus placerat at egestas urna consectetur. Vivamus tempor augue arcu. Aenean non augue blandit erat molestie bibendum et sit amet enim. Vivamus mauris nunc, vestibulum non luctus in, feugiat id nunc. Aliquam ultricies magna eget odio bibendum vitae facilisis lacus mollis.
\end{document}
minipagesnext to each other to obtain the question on the left and and the answer on the right hand side. – Peter Grill Jan 20 '12 at 01:32