Edit in JSFiddle

Result
JavaScript 1.7
HTML

/** @jsx React.DOM */
/* global React, Backbone, $ */

var ExampleModel = Backbone.Model.extend({
  defaults: {
    name: 'Backbone.View'
  }
});

var DisplayView = React.createClass({
  componentDidMount: function() {
    this.props.model.on('change', function() {
      this.forceUpdate();
    }.bind(this));
  },

  render: function() {
    return (
      <p>
        {this.props.model.get('name')}
      </p>
    );
  }
});

var ToggleView = React.createClass({
  handleClick: function() {
    this.props.model.set('name', 'React');
  },
  render: function() {
    return (
      <button onClick={this.handleClick}>
        model.set('name', 'React');
      </button>
    );
  }
});

var model = new ExampleModel();

React.renderComponent((
  <div>
    <DisplayView model={model} />
    <ToggleView model={model} />
  </div>
), document.body);

<script src="http://fb.me/react-js-fiddle-integration.js"></script>

<body>
    <div class="display-container"></div>
    <div class="button-container"></div>
</body>